 Thailand: M15 Nakhon Pathom 3 - Doubles - Main |
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| Semi-finals | Charlton J./Masabayashi T. | Chung Y./Kwon S. | 0:2 (65:7, 2:6) | details | 01.08.2025 |
| Quarter-finals | Charlton J./Masabayashi T. | Congcar C./Nithithananont N. | 2:0 (6:2, 6:4) | details | 31.07.2025 |
| 1/8-finals | Charlton J./Masabayashi T. | Suttisomboon P./Thadpong K. | 2:0 (6:3, 6:4) | details | 30.07.2025 |
| Thailand: M15 Nakhon Pathom 2 - Doubles - Main |
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| Final | Ganta S. K. R./Masabayashi T. | Chung Y./Kwon S. | 0:2 (3:6, 3:6) | details | 26.07.2025 |
| Semi-finals | Charlton J./Delaney Je. | Ganta S. K. R./Masabayashi T. | 1:2 (1:6, 7:65, 8:10) | details | 26.07.2025 |
| Quarter-finals | Ganta S. K. R./Masabayashi T. | Koaykul K./Navasirisomboon J. | 2:0 (6:3, 6:1) | details | 25.07.2025 |
| 1/8-finals | Ganta S. K. R./Masabayashi T. | Auytayakul S./Samrej K. | WO. | details | 25.07.2025 |
| Thailand: M15 Nakhon Pathom - Doubles - Main |
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| Semi-finals | Ganta S. K. R./Masabayashi T. | Delaney Ja./Taguchi R. | 1:2 (6:3, 64:7, 5:10) | details | 18.07.2025 |
| Quarter-finals | Auytayakul S./Navasirisomboon J. | Ganta S. K. R./Masabayashi T. | 0:2 (1:6, 4:6) | details | 17.07.2025 |
| 1/8-finals | Habib A./Ianin N. | Ganta S. K. R./Masabayashi T. | 1:2 (7:65, 3:6, 9:11) | details | 16.07.2025 |
 Japan: M15 Tokyo 2 - Doubles - Main |
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| 1/8-finals | Oki Y./Tomida Y. | Masabayashi T./Shiraishi H. | 2:1 (4:6, 6:4, 10:4) | details | 08.07.2025 |
| Japan: M15 Tokyo - Doubles - Main |
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| 1/8-finals | Inui Y./Masabayashi T. | Ichikawa T./Noguchi M. | 0:2 (65:7, 2:6) | details | 01.07.2025 |
 China: M15 Maanshan 3 - Doubles - Main |
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| Final | Jeong Y./Masabayashi T. | Isomura K./Sueoka Y. | 2:1 (7:65, 2:6, 14:12) | details | 28.06.2025 |
| Semi-finals | Yang M./Zhang T. | Jeong Y./Masabayashi T. | 0:2 (3:6, 2:6) | details | 27.06.2025 |
| Quarter-finals | Jeong Y./Masabayashi T. | Hongyu Y./Pan W. | 2:1 (5:7, 6:1, 10:8) | details | 26.06.2025 |
| 1/8-finals | Jeong Y./Masabayashi T. | Jin Y./Li Z. | 2:1 (4:6, 6:2, 10:7) | details | 25.06.2025 |
| China: M25 Luzhou - Doubles - Main |
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| 1/8-finals | Masabayashi T./Mochizuki Y. | Huang T./Imai S. | 1:2 (66:7, 6:1, 7:10) | details | 17.06.2025 |
 South Korea: M25 Changwon - Doubles - Main |
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| 1/8-finals | Imai S./Matsuda R. | Kikuchi Y./Masabayashi T. | 2:0 (7:67, 6:4) | details | 03.06.2025 |
| South Korea: M15 Daegu - Doubles - Main |
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| Semi-finals | Kikuchi Y./Masabayashi T. | Kusuhara Y./Nakagawa S. | 1:2 (0:6, 6:3, 6:10) | details | 30.05.2025 |
| Quarter-finals | Sornlaksup P./Suksumrarn T. | Kikuchi Y./Masabayashi T. | 1:2 (6:4, 3:6, 4:10) | details | 29.05.2025 |
| 1/8-finals | Chanta T./Han Seon Yong | Kikuchi Y./Masabayashi T. | 0:2 (2:6, 2:6) | details | 27.05.2025 |
| South Korea: M15 Andong - Doubles - Main |
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| Quarter-finals | Kikuchi Y./Masabayashi T. | Shiraishi H./Taka Y. | 1:2 (1:6, 6:3, 6:10) | details | 22.05.2025 |
| 1/8-finals | Delaney Ja./Delaney Je. | Kikuchi Y./Masabayashi T. | 1:2 (4:6, 6:3, 9:11) | details | 20.05.2025 |
| China: M25 Anning - Doubles - Main |
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| 1/8-finals | Han X./Xu W. | Lee D. H./Masabayashi T. | 2:0 (6:3, 6:3) | details | 30.04.2025 |
| China: M15 Luan 3 - Doubles - Main |
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| Semi-finals | Jin Y./Li Z. | Masabayashi T./Sueoka Y. | 2:0 (6:4, 6:2) | details | 25.04.2025 |
| Quarter-finals | Masabayashi T./Sueoka Y. | Yang M./Zheng B. | 2:0 (6:4, 6:4) | details | 24.04.2025 |
| 1/8-finals | Masabayashi T./Sueoka Y. | Lu P./Wang Y. | 2:0 (6:3, 6:2) | details | 22.04.2025 |
| China: M15 Luan 2 - Doubles - Main |
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| 1/8-finals | Dong Z./Mo Y. C. | Masabayashi T./Sueoka Y. | 2:1 (7:63, 3:6, 10:4) | details | 16.04.2025 |
| Japan: M15 Kashiwa - Doubles - Main |
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| Quarter-finals | Masabayashi T./Takahashi Y. | Delaney Ja./Vithoontien L. | 0:2 (4:6, 4:6) | details | 03.04.2025 |
| 1/8-finals | Sanada S./Sugaya Y. | Masabayashi T./Takahashi Y. | 1:2 (6:4, 63:7, 1:10) | details | 02.04.2025 |
